EP3963707A4 - High efficiency passive clamp - Google Patents

High efficiency passive clamp Download PDF

Info

Publication number
EP3963707A4
EP3963707A4 EP20798538.3A EP20798538A EP3963707A4 EP 3963707 A4 EP3963707 A4 EP 3963707A4 EP 20798538 A EP20798538 A EP 20798538A EP 3963707 A4 EP3963707 A4 EP 3963707A4
Authority
EP
European Patent Office
Prior art keywords
high efficiency
passive clamp
efficiency passive
clamp
passive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20798538.3A
Other languages
German (de)
French (fr)
Other versions
EP3963707A1 (en
Inventor
Ionel Jitaru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rompower Technology Holdings LLC
Original Assignee
Rompower Technology Holdings LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US16/503,432 external-priority patent/US10574148B1/en
Priority claimed from US16/775,967 external-priority patent/US10972014B2/en
Application filed by Rompower Technology Holdings LLC filed Critical Rompower Technology Holdings LLC
Publication of EP3963707A1 publication Critical patent/EP3963707A1/en
Publication of EP3963707A4 publication Critical patent/EP3963707A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
    • H02M3/33592—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0048—Circuits or arrangements for reducing losses
    • H02M1/0054—Transistor switching losses
    • H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/34—Snubber circuits
    • H02M1/346—Passive non-dissipative snubbers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
    • H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
    • H03K17/08142—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in field-effect transistor switches
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0048—Circuits or arrangements for reducing losses
    • H02M1/0051—Diode reverse recovery losses
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/34—Snubber circuits
    • H02M1/342—Active non-dissipative snubbers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/34—Snubber circuits
    • H02M1/344—Active dissipative snubbers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
EP20798538.3A 2019-05-01 2020-02-11 High efficiency passive clamp Pending EP3963707A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962841694P 2019-05-01 2019-05-01
US16/503,432 US10574148B1 (en) 2019-07-03 2019-07-03 Self-adjusting current injection technology
US16/775,967 US10972014B2 (en) 2017-10-12 2020-01-29 High efficiency passive clamp
PCT/US2020/017672 WO2020222889A1 (en) 2019-05-01 2020-02-11 High efficiency passive clamp

Publications (2)

Publication Number Publication Date
EP3963707A1 EP3963707A1 (en) 2022-03-09
EP3963707A4 true EP3963707A4 (en) 2023-01-04

Family

ID=73028763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20798538.3A Pending EP3963707A4 (en) 2019-05-01 2020-02-11 High efficiency passive clamp

Country Status (3)

Country Link
EP (1) EP3963707A4 (en)
CN (1) CN114245961A (en)
WO (1) WO2020222889A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3136910A1 (en) * 2022-06-17 2023-12-22 Stmicroelectronics Ltd Voltage converter

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5636114A (en) * 1995-11-30 1997-06-03 Electronic Measurements, Inc. Lossless snubber circuit for use in power converters
US20150303789A1 (en) * 2014-04-18 2015-10-22 Delta Electronics (Shanghai) Co., Ltd. Converter and voltage clamp circuit therein
US20190115845A1 (en) * 2017-10-12 2019-04-18 Rompower Technology Holdings, Llc Energy recovery from the leakage inductance of the transformer

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5694302A (en) * 1996-08-20 1997-12-02 Compaq Computer Corporation Passive clamp and ripple control for buck boost converter
US5841647A (en) * 1996-10-07 1998-11-24 Kabushiki Kaisha Toshiba Power conversion system
US6115271A (en) * 1999-10-04 2000-09-05 Mo; Chan Ho Simon Switching power converters with improved lossless snubber networks
US6473318B1 (en) * 2000-11-20 2002-10-29 Koninklijke Philips Electronics N.V. Leakage energy recovering system and method for flyback converter
US7092259B2 (en) * 2003-05-09 2006-08-15 Jacobs Mark E Active clamp DC/DC converter with resonant transition system
CN201528275U (en) * 2009-10-09 2010-07-14 天宝电子（惠州）有限公司 Self-adapting drive circuit of active clamping switch tube
TWI527350B (en) * 2013-08-22 2016-03-21 全漢企業股份有限公司 Snubber circuit and buffering method for snubber circuit
CN207766141U (en) * 2018-01-17 2018-08-24 深圳市雷能混合集成电路有限公司 A kind of active absorption circuit being applied to secondary side devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5636114A (en) * 1995-11-30 1997-06-03 Electronic Measurements, Inc. Lossless snubber circuit for use in power converters
US20150303789A1 (en) * 2014-04-18 2015-10-22 Delta Electronics (Shanghai) Co., Ltd. Converter and voltage clamp circuit therein
US20190115845A1 (en) * 2017-10-12 2019-04-18 Rompower Technology Holdings, Llc Energy recovery from the leakage inductance of the transformer

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020222889A1 *
YUE WANG ET AL: "A clamping circuit parameter design method for IGCT used in high power applications", 2014 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION - APEC 2014, IEEE, 16 March 2014 (2014-03-16), pages 3406 - 3410, XP032590823, DOI: 10.1109/APEC.2014.6803797 *

Also Published As

Publication number Publication date
CN114245961A (en) 2022-03-25
EP3963707A1 (en) 2022-03-09
WO2020222889A1 (en) 2020-11-05

Similar Documents

Publication Publication Date Title
EP3776673A4 (en) High-efficiency micro-leds
EP3954056A4 (en) Improving communication efficiency
EP3635344A4 (en) High efficiency multiplexing
EP4073925A4 (en) Modified clamp
GB2592294B (en) Clamp assembly
EP3716591A4 (en) Clamping support
EP4033288A4 (en) Augmented-reality optical device having improved optical efficiency
EP3904701A4 (en) Clamp
EP3911475B8 (en) Clamping device
EP4044942A4 (en) Occlusion-crossing devices
EP3973549A4 (en) Betavoltaic devices
EP3985742A4 (en) Hot-spot-resistant single-plate photovoltaic module
EP3980332A4 (en) Electroaerodynamic devices
CA196182S (en) Clamp
EP3770960A4 (en) Electronic-component-mounted module
EP4052841A4 (en) Clamp device
EP3981052A4 (en) Clamping connector
GB201919134D0 (en) Clamp
EP3963707A4 (en) High efficiency passive clamp
EP3930438A4 (en) Component mounter
EP3927135A4 (en) Component mounter
EP4015165A4 (en) Clamp
EP3899338A4 (en) Clamping devices
EP3784153A4 (en) Surgical clamp
EP3998145A4 (en) Jig

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20211130

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20221205

RIC1 Information provided on ipc code assigned before grant

Ipc: H02M 1/34 20070101ALI20221129BHEP

Ipc: H02M 1/00 20060101ALI20221129BHEP

Ipc: H03K 17/0814 20060101ALI20221129BHEP

Ipc: H02M 3/335 20060101AFI20221129BHEP